Java tutorial
//package com.java2s; import android.app.Activity; import android.content.Context; import android.graphics.Point; import android.support.annotation.NonNull; public class Main { /*** * Get the device screen width * * @param context * @return int */ public static int getScreenWidth(@NonNull Context context) { Point size = new Point(); ((Activity) context).getWindowManager().getDefaultDisplay().getSize(size); return size.x; } }